Holly Springs, GA has a population of 10,351 and is the 3,854th largest city in the United States. The population density is 1,532 per sq mi which is 818% higher than the Georgia average and 1591% higher than the national average. The median age in Holly Springs is 33 which is approximately 8% lower than the Georgia average of 36. In Holly Springs, 65% of the population over 15 years of age are married, 94% speak English and 4% speak Spanish. 46% of Holly Springs residents were born in Georgia, 47% were born out of state, 2% were born outside of the United States and 5% were foreign born.